﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NGUYENTHANHDONG.OOP.Inhertance___Polimophism.EXCERCISES.EXCERCISE_06
{
    abstract class ClassBase
    {
        abstract public float Cong(float a, float b);
        abstract public float Tru(float a, float b);
        abstract public float Nhan(float a, float b);
        abstract public float Chia(float a, float b);

        abstract public void Cong1(float a, float b);
        abstract public void Tru1(float a, float b);
        abstract public void Nhan1(float a, float b);
        abstract public void Chia1(float a, float b);


    }
}
